| Comet | 185P/Petriew |
|---|---|
| User | Artom |
| User`s name | Artyom Novichonok |
| Observation's time (UT) | 2012-09-13 00:57:00 |
| Tool | SW 14'' |
| Observation's place | Shadzhatmaz |
| Magnitude | 12.8: |
| Comparison stars source | AU - ASAS-3 V magnitudes |
| Method | M - Morris`s method |
| Coma diameter(') | 1.8 |
| Tail's length | Not set |
| Condensation | 3 |
| Positional angle of tail | Not set |
| Bortl's scale | 3 |
| Aperture | 355 mm |
| Focal length (mm) | 1600 |
| Type of tool | L - Newtonian reflector |
| Magnification | 128 |
| Field of view (°) | 0.41 |
| SQM-L in zenith | 21.2 |
| Light pollution zone | Green |
| Lm | |
| Comment | |
| Morris Format | 2012 Sep 13.04 UT: m1=12.8:, Dia.=1.8', DC=3 ...355-cm L (128x) ...Artyom Novichonok (Shadzhatmaz, Russia) |
